[ Her tone is quieter, more distant, as she continues. ]

... To my... memory, it was only the dark creatures that had crossed over into our universe unaided, entities that could survive the passage, that had communicated and ... later attacked us.

Otherwise, only ships made from the core of the comet would have been able to survive a journey through the rift. However... this was unable to be confirmed, as a greater rift had formed between the creator of those ships and myself.